linux/drivers/staging/octeon/octeon-ethernet.h
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   1/**********************************************************************
   2 * Author: Cavium Networks
   3 *
   4 * Contact: support@caviumnetworks.com
   5 * This file is part of the OCTEON SDK
   6 *
   7 * Copyright (c) 2003-2010 Cavium Networks
   8 *
   9 * This file is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License, Version 2, as
  11 * published by the Free Software Foundation.
  12 *
  13 * This file is distributed in the hope that it will be useful, but
  14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
  15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
  16 * NONINFRINGEMENT.  See the GNU General Public License for more
  17 * details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this file; if not, write to the Free Software
  21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  22 * or visit http://www.gnu.org/licenses/.
  23 *
  24 * This file may also be available under a different license from Cavium.
  25 * Contact Cavium Networks for more information
  26**********************************************************************/
  27
  28/*
  29 * External interface for the Cavium Octeon ethernet driver.
  30 */
  31#ifndef OCTEON_ETHERNET_H
  32#define OCTEON_ETHERNET_H
  33
  34#include <linux/of.h>
  35
  36/**
  37 * This is the definition of the Ethernet driver's private
  38 * driver state stored in netdev_priv(dev).
  39 */
  40struct octeon_ethernet {
  41        /* PKO hardware output port */
  42        int port;
  43        /* PKO hardware queue for the port */
  44        int queue;
  45        /* Hardware fetch and add to count outstanding tx buffers */
  46        int fau;
  47        /*
  48         * Type of port. This is one of the enums in
  49         * cvmx_helper_interface_mode_t
  50         */
  51        int imode;
  52        /* List of outstanding tx buffers per queue */
  53        struct sk_buff_head tx_free_list[16];
  54        /* Device statistics */
  55        struct net_device_stats stats;
  56        struct phy_device *phydev;
  57        unsigned int last_link;
  58        /* Last negotiated link state */
  59        uint64_t link_info;
  60        /* Called periodically to check link status */
  61        void (*poll) (struct net_device *dev);
  62        struct delayed_work     port_periodic_work;
  63        struct work_struct      port_work;      /* may be unused. */
  64        struct device_node      *of_node;
  65};
  66
  67int cvm_oct_free_work(void *work_queue_entry);
  68
  69extern int cvm_oct_rgmii_init(struct net_device *dev);
  70extern void cvm_oct_rgmii_uninit(struct net_device *dev);
  71extern int cvm_oct_rgmii_open(struct net_device *dev);
  72extern int cvm_oct_rgmii_stop(struct net_device *dev);
  73
  74extern int cvm_oct_sgmii_init(struct net_device *dev);
  75extern void cvm_oct_sgmii_uninit(struct net_device *dev);
  76extern int cvm_oct_sgmii_open(struct net_device *dev);
  77extern int cvm_oct_sgmii_stop(struct net_device *dev);
  78
  79extern int cvm_oct_spi_init(struct net_device *dev);
  80extern void cvm_oct_spi_uninit(struct net_device *dev);
  81extern int cvm_oct_xaui_init(struct net_device *dev);
  82extern void cvm_oct_xaui_uninit(struct net_device *dev);
  83extern int cvm_oct_xaui_open(struct net_device *dev);
  84extern int cvm_oct_xaui_stop(struct net_device *dev);
  85
  86extern int cvm_oct_common_init(struct net_device *dev);
  87extern void cvm_oct_common_uninit(struct net_device *dev);
  88
  89extern int always_use_pow;
  90extern int pow_send_group;
  91extern int pow_receive_group;
  92extern char pow_send_list[];
  93extern struct net_device *cvm_oct_device[];
  94extern struct workqueue_struct *cvm_oct_poll_queue;
  95extern atomic_t cvm_oct_poll_queue_stopping;
  96extern u64 cvm_oct_tx_poll_interval;
  97
  98extern int max_rx_cpus;
  99extern int rx_napi_weight;
 100
 101#endif
 102